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Health Hazard Evaluations (HHEs)

Each month we will update this page to highlight newly released final reports and information on new and emerging hazards we are evaluating. Check back often to see what we are up to!

What's New

Potential Herbicide Exposure at a National Park
Finding evidence of herbicide contamination on employees’ boots, clothing, and in work areas, HHE Program investigators determined that skin contact was the main route of exposure. We recommended improvements in training and developing written site-specific policies and procedures for herbicide handling, including proper glove selection and use. To read the full report go to:

Evaluation of Lead Exposures at a Federal Law Enforcement Firing Range
Finding lead in the air, in employees’ blood, and on firearms instructors’ hands and footwear, HHE Program investigators recommended improving the ventilation system according to NIOSH recommendations, starting a lead monitoring program, using wet cleaning methods, and providing facilities for employees to keep work clothes on-site. To read the full report go to:

2016 Health Hazard Evaluation Program Annual Report
The NIOSH Health Hazard Evaluation (HHE) Program is pleased to share the 2016 annual report. The report includes summaries of interesting projects and other highlights of our year. We hope the report stimulates conversations about who the HHE Program is and how we make a difference for the health and safety of employees throughout the United States. A link to the annual report is available here:

New HHE Video Series Shows What Happens on a Site Visit
Ever wonder what happens when the Health Hazard Evaluation team visits a workplace? Watch 3 new HHE videos to get a glimpse into our activities. Each video shows a different type of testing or sampling conducted in a workplace and reactions from the employer and employees.